Home / 145,929.48-218,905.02-52,436.04

Finding the Fourth Proportional to 145,929.48, 218,905.02 and 52,436.04

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Solution

The fourth proportional to 145,929.48, 218,905.02 and 52,436.04 is: 78,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,929.48 : 218,905.02 = 52,436.04 : x
  2. Step 2: Convert to fraction form
    145,929.48/218,905.02 = 52,436.04/x
  3. Step 3: Cross multiply
    145,929.48x = 218,905.02 × 52,436.04
  4. Step 4: Simplify right side
    145,929.48x = 11,478,512,384.92
  5. Step 5: Solve for x
    x = 11,478,512,384.92/145,929.48
  6. Step 6: Final answer
    x = 78,657.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.